CN212839119U - Upper assembly buffer adjusting device of motorcycle rear axle shock absorber - Google Patents
Upper assembly buffer adjusting device of motorcycle rear axle shock absorber Download PDFInfo
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- CN212839119U CN212839119U CN202021154563.3U CN202021154563U CN212839119U CN 212839119 U CN212839119 U CN 212839119U CN 202021154563 U CN202021154563 U CN 202021154563U CN 212839119 U CN212839119 U CN 212839119U
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- connecting piece
- pressing block
- nut
- pressed
- shock absorber
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Abstract
The upper component of the motorcycle rear axle shock absorber buffers the controlling device, the upper portion of the upper nut forms the nut recess, the upper end of the upper nut is supported and pressed on the upper pressure sleeve, the lower end of the oil line is screwed and fixed on the piston, the piston is installed in cylinder, contain hydraulic oil in the cylinder, the upper end of the spring is pressed on the upper pressure sleeve, the lower end of the spring is pressed on the cylinder; go up shaping buffering adjustment space on the connecting piece, the structure of adjusting knob is: the positioning nut is screwed at the opening of the buffer adjusting space, the adjusting screw is screwed in a central hole of the positioning nut, the pressing block is inserted and sleeved in the buffer adjusting space, a pressing block conical surface and a pressing block rear insertion socket are formed on the pressing block, the right end of the adjusting screw is inserted and sleeved in the pressing block rear insertion socket, the steel ball faces to the upper end surface of the rod needle, and the steel ball is pressed below the pressing block conical surface; the shock absorber is provided with hydraulic shock absorption besides spring buffering, the shock absorption effect is better, and the shock absorption performance of the upper assembly of the shock absorber can be manually adjusted.
Description
Technical Field
The utility model relates to a bumper shock absorber technical field, more specifically say and relate to subassembly buffering adjusting device on motorcycle rear axle bumper shock absorber.
Background
The common motorcycle rear axle shock absorber mainly adopts a spring to absorb shock and is not provided with a hydraulic shock absorption system. The motorcycle shock absorbers used in some special occasions, such as the shock absorbers used in motorcycle racing cars, have higher performance and requirements on the shock absorbers due to different operating environments, and firstly, the shock absorbers are required to have better buffering effect, and secondly, the shock absorbers have longer service lives in the operating process. Like motorcycle shock absorbers which fly over a slope, if only springs are used for shock absorption, the shock absorbers are easily damaged and performers are easily injured.
The buffering performance of a common motorcycle damper cannot be adjusted, and different people in different occasions use the same damper, so that the requirements on the buffering performance of the damper are different.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a subassembly buffering adjusting device on the motorcycle rear axle bumper shock absorber is exactly not enough to prior art, and its bumper shock absorber still is furnished with hydraulic shock attenuation except spring buffering, and the shock attenuation effect is better, and the damping performance of subassembly can also manually be adjusted on its bumper shock absorber.
The technical solution of the utility model is as follows:
the upper assembly buffer adjusting device of the motorcycle rear axle shock absorber comprises a spring 1, wherein the upper assembly consists of an upper connecting piece 2, an upper pressing sleeve 3, an oil pipe 4, a rod needle 5, an upper nut 6 and a steel ball 7, the upper connecting piece 2 and the upper pressing sleeve 3 are fixedly connected together in a threaded manner, the oil pipe 4 is fixedly connected onto the upper connecting piece 2 in a threaded manner, the rod needle 5 is inserted and sleeved in the oil pipe 4, the upper nut 6 is fixedly connected onto the oil pipe 4 in a threaded manner, a nut recess 61 is formed in the upper part of the upper nut 6, the upper end of the upper nut 6 abuts against the upper pressing sleeve 3, the lower end of the oil pipe 4 is fixedly connected onto a piston 8 in a threaded manner, the piston 8 is installed in a cylinder barrel 9, hydraulic oil is filled in the cylinder barrel 9, the upper end of;
the upper connecting piece 2 is provided with a buffering and adjusting space 21, and the adjusting knob 10 has the following structure: the positioning nut 101 is in threaded connection with an opening of the buffer adjusting space 21, the adjusting screw 102 is in threaded connection with a central hole of the positioning nut 101, the pressing block 103 is inserted in the buffer adjusting space 21, a pressing block conical surface 1031 and a pressing block rear insertion socket 1032 are formed on the pressing block 103, the right end of the adjusting screw 102 is inserted in the pressing block rear insertion socket 1032, the steel ball 7 faces the upper end face of the rod pin 5, the steel ball 7 is pressed below the pressing block conical surface 1031, and the steel ball 7 is limited between the pressing block vertical surface 1033 and the pressing block conical surface 1031;
the lower end surface of the rod needle 5 is a frustum-shaped rod needle conical tip 51, a drainage tube 11 is fixed in a central hole at the lower part of the oil tube 4, part of the rod needle conical tip 51 extends into the central hole of the drainage tube 11, and the diameter of the rod needle 5 is larger than the inner diameter of the drainage tube 11;
an upper connecting piece overflowing hole 24 is formed in the upper connecting piece 2 and communicated with the oil pipe 4, an upper connecting piece overflowing hole 24 is formed in the upper pressing sleeve 3 and communicated with the upper pressing sleeve overflowing hole 31, and the upper pressing sleeve overflowing hole 31 is communicated with the nut recess 61.
The load is fixed on the upper connecting piece 2, and a U-shaped groove 22 and an upper connecting piece hinge hole 23 are formed in the upper connecting piece 2.
The lower end of the small spring 12 is pressed on the step of the inner wall of the overflowing hole 24 of the upper connecting piece, the small steel ball 13 is pressed on the upper end of the small spring 12, and the upper end of the small steel ball 13 is pressed on the adjusting screw rod 102.
The drainage tube 11 is tightly fixed on the oil tube 4 in an interference fit manner.
An adjusting screw retaining ring 1021 is formed in the middle of the adjusting screw 102, and the upper end of the small steel ball 13 presses on the outer diameter surface of the adjusting screw retaining ring 1021.
The beneficial effects of the utility model reside in that:
the shock absorber is provided with hydraulic shock absorption besides spring buffering, the shock absorption effect is better, and the shock absorption performance of the upper assembly of the shock absorber can be manually adjusted.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of the upper half of FIG. 1;
fig. 3 is a schematic structural view when the adjusting knob, the oil pipe and the rod needle are matched.
In the figure: 1. a spring; 2. an upper connecting piece; 3. pressing a sleeve; 4. an oil pipe; 5. a rod needle; 6. screwing a nut; 7. steel balls; 8. a piston; 9. a cylinder barrel; 10. an adjusting knob; 11. a drainage tube; 12. a small spring; 13. and (5) small steel balls.
Detailed Description
Example (b): as shown in fig. 1 to 3, the upper assembly buffer adjusting device of the motorcycle rear axle shock absorber comprises a spring 1, wherein the upper assembly consists of an upper connecting piece 2, an upper pressing sleeve 3, an oil pipe 4, a rod needle 5, an upper nut 6 and a steel ball 7, the upper connecting piece 2 is fixedly connected with the upper pressing sleeve 3 in a screwed manner, the oil pipe 4 is fixedly connected with the upper connecting piece 2 in a screwed manner, the rod needle 5 is inserted in the oil pipe 4, the upper nut 6 is fixedly connected with the oil pipe 4 in a screwed manner, a nut recess 61 is formed in the upper part of the upper nut 6, the upper end of the upper nut 6 is pressed against the upper pressing sleeve 3, the lower end of the oil pipe 4 is fixedly connected with a piston 8 in a screwed manner, the piston 8 is installed in a cylinder 9, hydraulic oil is filled in the cylinder 9, the upper end of the;
the upper connecting piece 2 is provided with a buffering and adjusting space 21, and the adjusting knob 10 has the following structure: the positioning nut 101 is in threaded connection with an opening of the buffer adjusting space 21, the adjusting screw 102 is in threaded connection with a central hole of the positioning nut 101, the pressing block 103 is inserted in the buffer adjusting space 21, a pressing block conical surface 1031 and a pressing block rear insertion socket 1032 are formed on the pressing block 103, the right end of the adjusting screw 102 is inserted in the pressing block rear insertion socket 1032, the steel ball 7 faces the upper end face of the rod pin 5, the steel ball 7 is pressed below the pressing block conical surface 1031, and the steel ball 7 is limited between the pressing block vertical surface 1033 and the pressing block conical surface 1031;
the lower end surface of the rod needle 5 is a frustum-shaped rod needle conical tip 51, a drainage tube 11 is fixed in a central hole at the lower part of the oil tube 4, part of the rod needle conical tip 51 extends into the central hole of the drainage tube 11, and the diameter of the rod needle 5 is larger than the inner diameter of the drainage tube 11;
an upper connecting piece overflowing hole 24 is formed in the upper connecting piece 2 and communicated with the oil pipe 4, an upper connecting piece overflowing hole 24 is formed in the upper pressing sleeve 3 and communicated with the upper pressing sleeve overflowing hole 31, and the upper pressing sleeve overflowing hole 31 is communicated with the nut recess 61.
The load is fixed on the upper connecting piece 2, and a U-shaped groove 22 and an upper connecting piece hinge hole 23 are formed in the upper connecting piece 2.
The lower end of the small spring 12 is pressed on the step of the inner wall of the overflowing hole 24 of the upper connecting piece, the small steel ball 13 is pressed on the upper end of the small spring 12, and the upper end of the small steel ball 13 is pressed on the adjusting screw rod 102.
The drainage tube 11 is tightly fixed on the oil tube 4 in an interference fit manner.
An adjusting screw retaining ring 1021 is formed in the middle of the adjusting screw 102, and the upper end of the small steel ball 13 presses on the outer diameter surface of the adjusting screw retaining ring 1021.
The working principle is as follows: when the upper connecting piece 2 is under load pressure, the spring 1 is compressed, meanwhile, the upper connecting piece 2 moves downwards, the piston 8 presses hydraulic oil in the cylinder barrel 9, the hydraulic oil can rush up the rod needle 5, and the hydraulic oil can flow into the buffer adjusting space 21, the upper connecting piece overflowing hole 24, the upper pressure sleeve overflowing hole 31 and the nut recess 61 along a gap between the central hole of the oil pipe 4 and the rod needle 5. When the load is relieved, the hydraulic oil is returned to the oil pipe 4 through the nut pocket 61, the upper pressure sleeve overflow hole 31, the upper connector overflow hole 24 and the relief adjustment space 21.
The position of the pressing block conical surface 1031 can be adjusted by rotating the adjusting screw rod 102, so that the steel ball 7 can be slightly changed at the vertical height position, thereby causing the length of the rod needle conical tip 51 of the rod tip 5 extending into the drainage tube 11, the part of the rod needle conical tip 51 extending into the drainage tube 11 is more, the outflow gap between the drainage tube 11 and the rod needle conical tip 51 can be reduced, the part of the rod needle conical tip 51 extending into the drainage tube 11 is less, and the outflow gap between the drainage tube 11 and the rod needle conical tip 51 is increased. The speed of ascending and descending of the upper connecting piece 2 under pressure is changed by changing the size of the outflow gap between the drainage tube 11 and the needle cone point 51, thereby controlling the cushioning property of the upper connecting piece 2.
Claims (5)
1. Subassembly buffering adjusting device on motorcycle rear axle bumper shock absorber, including spring (1), its characterized in that: the upper assembly consists of an upper connecting piece (2), an upper pressing sleeve (3), an oil pipe (4), a rod needle (5), an upper nut (6) and a steel ball (7), the upper connecting piece (2) is fixedly connected with the upper pressing sleeve (3) in a threaded manner, the oil pipe (4) is fixedly connected onto the upper connecting piece (2) in a threaded manner, the rod needle (5) is inserted and sleeved in the oil pipe (4), the upper nut (6) is fixedly connected onto the oil pipe (4) in a threaded manner, a nut recess (61) is formed in the upper part of the upper nut (6), the upper end of the upper nut (6) is pressed onto the upper pressing sleeve (3), the lower end of the oil pipe (4) is fixedly connected onto a piston (8) in a threaded manner, the piston (8) is installed in a cylinder barrel (9), hydraulic oil is installed in the cylinder barrel (9), the upper end of a spring (1) is pressed onto the upper pressing sleeve (3), and the;
go up shaping buffering accommodation space (21) on connecting piece (2), the structure of adjusting knob (10) is: the positioning nut (101) is in threaded connection with an opening of the buffer adjusting space (21), the adjusting screw (102) is in threaded connection with a central hole of the positioning nut (101), the pressing block (103) is inserted in the buffer adjusting space (21), a pressing block conical surface (1031) and a pressing block rear insertion socket (1032) are formed on the pressing block (103), the right end of the adjusting screw (102) is inserted in the pressing block rear insertion socket (1032), the steel ball (7) faces to the upper end face of the rod pin (5), the steel ball (7) is pressed under the pressing block conical surface (1031), and the steel ball (7) is limited between the pressing block vertical surface (1033) and the pressing block conical surface (1031);
the lower end surface of the rod needle (5) is a frustum-shaped rod needle conical tip (51), a drainage tube (11) is fixed in a central hole at the lower part of the oil tube (4), part of the rod needle conical tip (51) extends into the central hole of the drainage tube (11), and the diameter of the rod needle (5) is larger than the inner diameter of the drainage tube (11);
an upper connecting piece overflowing hole (24) is formed in the upper connecting piece (2) and communicated with the oil pipe (4), an upper pressing sleeve overflowing hole (31) is formed in the upper pressing sleeve (3) and communicated with the upper connecting piece overflowing hole (24), and the upper pressing sleeve overflowing hole (31) is communicated with the nut recess (61).
2. The motorcycle rear axle shock absorber upper assembly cushioning adjustment device of claim 1, characterized in that: the load is fixed on the upper connecting piece (2), and a U-shaped groove (22) and an upper connecting piece hinge hole (23) are formed in the upper connecting piece (2).
3. The motorcycle rear axle shock absorber upper assembly cushioning adjustment device of claim 1, characterized in that: the lower end of the small spring (12) is pressed on a step on the inner wall of the overflowing hole (24) of the upper connecting piece, the small steel ball (13) is pressed on the upper end of the small spring (12), and the upper end of the small steel ball (13) is pressed on the adjusting screw rod (102).
4. The motorcycle rear axle shock absorber upper assembly cushioning adjustment device of claim 1, characterized in that: the drainage tube (11) is tightly fixed on the oil tube (4) in an interference fit way.
5. The motorcycle rear axle shock absorber upper assembly cushioning adjustment device of claim 3, characterized in that: an adjusting screw retaining ring (1021) is formed in the middle of the adjusting screw (102), and the upper end of the small steel ball (13) is pressed on the outer diameter surface of the adjusting screw retaining ring (1021).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021154563.3U CN212839119U (en) | 2020-06-20 | 2020-06-20 | Upper assembly buffer adjusting device of motorcycle rear axle shock absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021154563.3U CN212839119U (en) | 2020-06-20 | 2020-06-20 | Upper assembly buffer adjusting device of motorcycle rear axle shock absorber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212839119U true CN212839119U (en) | 2021-03-30 |
Family
ID=75175452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021154563.3U Active CN212839119U (en) | 2020-06-20 | 2020-06-20 | Upper assembly buffer adjusting device of motorcycle rear axle shock absorber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212839119U (en) |
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2020
- 2020-06-20 CN CN202021154563.3U patent/CN212839119U/en active Active
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